GM Service Manual Online
For 1990-2009 cars only

You can use the Remote Keyless Entry (RKE) transmitter to lock and unlock the doors from inside or outside the vehicle. See Remote Keyless Entry (RKE) System Operation for more information.

On vehicles with power door locks, the switches are located on the doors.

(Lock): Press to lock all doors.

(Unlock): Press to unlock all doors.